package thinkingJava.chapter18;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import static util.Print.*;

class House implements Serializable {
}

class Animal implements Serializable {
	private String name;
	private House preferredHouse;
	Animal(String nm, House h) {
		name = nm;
		preferredHouse = h;
	}
	public String toString() {
		return name + "[" + super.toString() + "], " + preferredHouse + " \n";
	}
}

public class MyWorld {
	public static void main(String[] args) throws IOException, ClassNotFoundException {
		House house = new House();
		List<Animal> animals = new ArrayList<Animal>();

		animals.add(new Animal("Bosco the dog", house));
		animals.add(new Animal("Rapher the hamster", house));
		animals.add(new Animal("Molly the cat", house));

		print("animals : " + animals);

		ByteArrayOutputStream buf1 = new ByteArrayOutputStream();
		ObjectOutputStream o1 = new ObjectOutputStream(buf1);

		o1.writeObject(animals);
		o1.writeObject(animals);
		o1.close();

		ByteArrayOutputStream buf2 = new ByteArrayOutputStream();
		ObjectOutputStream o2 = new ObjectOutputStream(buf2);

		o2.writeObject(animals);
		o2.close();

		ObjectInputStream in1 = new ObjectInputStream(new ByteArrayInputStream(buf1.toByteArray()));
		ObjectInputStream in2 = new ObjectInputStream(new ByteArrayInputStream(buf2.toByteArray()));

		List
			animals1 = (List) in1.readObject(),
			animals2 = (List) in1.readObject(),
			animals3 = (List) in2.readObject();

		print("animals1 : " + animals1);
		print("animals2 : " + animals2);
		print("animals3 : " + animals3);
	}
}
